According to the Conservation of Angular Momentum, If an Ice-Skater

question 50

Multiple Choice

According to the conservation of angular momentum, if an ice-skater who is spinning with her arms out wide slowly pulls them close to her body, she will

• A) spin faster.
• B) spin slower.
• C) maintain a constant rate of spin.
• D) fall down.
• E) stop spinning entirely.

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Definitions:

Sample Standard Deviations

A measure that quantifies the amount of variation or dispersion of a set of data values from its sample mean.

Equal Sample Sizes

A condition in statistical analysis where the number of observations in each group being compared is the same.

Confidence Interval

A range of values, derived from the sample statistics, that is likely to contain the value of an unknown population parameter with a certain degree of confidence.

Margin Of Error

An indication of the confidence in the results of a survey or experiment, showing how much the answers may deviate from the true value.